他的成功源于对个人主义的坚定信念，始终坚持独立思考和行动。

His success stems from a strong belief in ___individualism, always thinking and acting independently.

许多美国人珍视个人主义，认为它保障了公民免受政府过度干预。

Many Americans value ___individualism, believing it protects citizens from excessive government interference.

他的个人主义精神让他总是坚持自己的想法，不随波逐流。

His strong ___individualism led him to always stick to his own ideas instead of following the crowd.